1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
# (C) British Crown Copyright 2014 - 2018, Met Office
#
# This file is part of cartopy.
#
# cartopy is free software: you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the
# Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# cartopy is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with cartopy. If not, see <https://www.gnu.org/licenses/>.
"""
Tests for the Rotated Geodetic coordinate system.
"""
from __future__ import (absolute_import, division, print_function)
import cartopy.crs as ccrs
def check_proj4_params(crs, other_args):
expected = other_args | {'proj=ob_tran', 'o_proj=latlon',
'to_meter=0.0174532925199433', 'no_defs'}
pro4_params = set(crs.proj4_init.lstrip('+').split(' +'))
assert expected == pro4_params
def test_default():
geos = ccrs.RotatedGeodetic(30, 15, 27)
other_args = {'datum=WGS84', 'ellps=WGS84', 'lon_0=210', 'o_lat_p=15',
'o_lon_p=27'}
check_proj4_params(geos, other_args)
|
